{
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    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
  "title": "Digital Fortress wer. angielska",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/dan-brown/digital-fortress-wer-angielska/9780552159739",
  "publisher": "Corgi Books",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-05-5215-973-9",
  "pages": 512,
  "published": "2025-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/corgi-books/dan-brown/digital-fortress-wer-angielska_978-05-5215-973-9-d14662d6.jpg?v=2026-09-20%2022%3A10%3A37",
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  "markdown": "https://www.kolczanksiazek.pl/dan-brown/digital-fortress-wer-angielska/9780552159739.md",
  "binding": "Softcover",
  "description": "When the National Security Agency's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is...",
  "book": {
    "title": "Digital Fortress wer. angielska",
    "slug": "digital-fortress-wer-angielska",
    "url": "https://www.kolczanksiazek.pl/dan-brown/digital-fortress-wer-angielska"
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  "authors": [
    {
      "name": "Dan Brown",
      "slug": "dan-brown",
      "url": "https://www.kolczanksiazek.pl/dan-brown"
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}